gc: implement character constant type rules

R=ken2
CC=golang-dev
http://codereview.appspot.com/5444054

1 files changed, 43 insertions, 0 deletions

diff --git a/test/rune.go b/test/rune.go
new file mode 100644
index 000000000..b2c73775d
--- /dev/null
+++ b/test/rune.go
@@ -0,0 +1,43 @@
+// $G $D/$F.go
+
+// Copyright 2011 The Go Authors.  All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+var (
+	r0 = 'a'
+	r1 = 'a'+1
+	r2 = 1+'a'
+	r3 = 'a'*2
+	r4 = 'a'/2
+	r5 = 'a'<<1
+	r6 = 'b'<<2
+
+	r = []rune{r0, r1, r2, r3, r4, r5, r6}
+)
+
+var (
+	f0 = 1.2
+	f1 = 1.2/'a'
+
+	f = []float64{f0, f1}
+)
+
+var (
+	i0 = 1
+	i1 = 1<<'\x01'
+	
+	i = []int{i0, i1}
+)
+
+const (
+	maxRune = '\U0010FFFF'
+)
+
+var (
+	b0 = maxRune < r0
+	
+	b = []bool{b0}
+)